Model 281 Conductivity Controller
For the Excel file calculator to convert the values on your old resistivity meter to values you can use to program the Model 281, click here.

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The Wetmore EDM Systems Model 281 Water Conductivity Controller is now available as a direct replacement for the Renko Model MNN-02, as originally installed in Sodick Wire EDMs.

  Solid state, digitally controlled

  Much more accurate than original equipment

  User settable high and low values

  User settable alarm level - sounds alarm when
   water condition is out of range

  Affordable - $1,200 for a plug and play
   replacement.

  Simple installation - bolts into place using original
    mounting holes

  Includes replacement Probe

Wetmore EDM Systems
To purchase a Model 281, contact us by phone at
(480) 410-7752
or by email at
larry@wetmoreedmsystems.com